TWI792780B - Smooth reporting method, control circuit, touch display device and information processing device of touch device - Google Patents

Abstract

A method for smooth point reporting of a touch device, which is realized by a control circuit, the method includes: generating a Bezier curve based on multiple actual sensing points of multi-frame sensing data, and generating a Bezier curve according to the Bezier curve Generate a plurality of interpolation points among the plurality of actual sensing points, and form a set of data to be processed by combining the data of these actual sensing points and the interpolation points; and process the set of data to be processed by using a moving polynomial fitting program data to produce a set of fitted reporting points.

Description

Smooth reporting method for touch device, control circuit, touch display device and information processing device

The present invention relates to a touch device, in particular to a method for smooth reporting of a touch device.

In touch technology, in order to ensure the smoothness of the connection between the frames of the moving point, false points are often inserted through the difference algorithm to increase the smoothness of the curve. Such common algorithms include Bessel algorithm and so on. However, due to the limitations of point reporting rate and calculation time, the points generated by the Bessel algorithm still cannot meet the smoothness requirements in some cases.

In order to solve the above problems, there is an urgent need in the art for a novel method for smooth reporting of touch devices.

The main purpose of the present invention is to disclose a smooth point reporting method for a touch device, which can perform interpolation processing on multiple sensing coordinates of multi-frame sensing points, and then window frame the interpolated overall data Move smoothing to produce smoothed reporting point traces.

Another object of the present invention is to disclose a touch display device, which can provide a smoothed reporting track to a host through the above smooth reporting method.

Another object of the present invention is to disclose an information processing device, which can provide operators with a smooth touch experience through the above-mentioned touch display device.

In order to achieve the aforementioned purpose, a method for smooth reporting of a touch device is proposed, which is realized by a control circuit, and the method includes:

Generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points among the plurality of actual sensing points according to the Bezier curve, and convert these actual sensing points Points and the data of these interpolation points constitute a set of data to be processed; and

The set of data to be processed is processed by a moving polynomial fitting program to generate a set of fitting report points.

In one embodiment, the moving polynomial fitting procedure includes:

Taking the first 2m+1 data points in the group of data to be processed as a processing window frame to generate an initial n-degree polynomial regression curve, and generating the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points, m and n are both integers greater than 1, and 2m+1 > n;

In the group of data to be processed, move the processing window frame to the right by one data point successively to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the new n A degree polynomial regression curve produces said fitted report point for the m+1th data point in the new processing window; and

When the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and The fitting report points of the last m+1 data points among the last 2m+1 data points are generated according to the last n-degree polynomial regression curve.

To achieve the aforementioned purpose, the present invention further proposes a control circuit, which has a functional module to perform a smooth reporting method for a touch device, the method comprising:

Generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points among the plurality of actual sensing points according to the Bezier curve, and convert these actual sensing points Points and the data of these interpolation points constitute a set of data to be processed; and

The set of data to be processed is processed by a moving polynomial fitting program to generate a set of fitting report points.

In one embodiment, the moving polynomial fitting procedure includes:

Taking the first 2m+1 data points in the group of data to be processed as a processing window frame to generate an initial n-degree polynomial regression curve, and generating the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points, m and n are both integers greater than 1, and 2m+1 > n;

In the group of data to be processed, move the processing window frame to the right by one data point successively to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the new n A degree polynomial regression curve produces said fitted report point for the m+1th data point in the new processing window; and

When the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and The fitting report points of the last m+1 data points among the last 2m+1 data points are generated according to the last n-degree polynomial regression curve.

To achieve the aforementioned purpose, the present invention further proposes a touch display device, which has a touch module, a display module and a control circuit, wherein the control circuit is used to drive the touch module and the display module set, and it has a functional module to perform a smoothing reporting point processing program on multiple actual sensing points of the multi-frame sensing data of the touch module to generate a set of fitting reporting points, the smoothing reporting point processing Programs include:

Generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points among the plurality of actual sensing points according to the Bezier curve, and convert these actual sensing points Points and the data of these interpolation points constitute a set of data to be processed; and

The set of data to be processed is processed by a moving polynomial fitting program to generate a set of fitting report points.

In one embodiment, the moving polynomial fitting procedure includes:

Taking the first 2m+1 data points in the group of data to be processed as a processing window frame to generate an initial n-degree polynomial regression curve, and generating the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points, m and n are both integers greater than 1, and 2m+1 > n;

In the group of data to be processed, move the processing window frame to the right by one data point successively to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the new n A degree polynomial regression curve produces said fitted report point for the m+1th data point in the new processing window; and

When the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and The fitting report points of the last m+1 data points among the last 2m+1 data points are generated according to the last n-degree polynomial regression curve.

In a possible embodiment, the display module can be a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module or an organic light emitting diode Display mods.

To achieve the aforementioned purpose, the present invention further proposes an information processing device, which has a central processing unit and a touch display device, wherein the central processing unit is used to communicate with the touch display device, and the touch display device has A touch module, a display module and a control circuit, wherein the control circuit is used to drive the touch module and the display module, and it has a function module to control the touch module Multiple actual sensing points of multi-frame sensing data are subjected to a smoothing point reporting process to generate a set of fitted reporting points. The smoothing point reporting process includes:

Generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points among the plurality of actual sensing points according to the Bezier curve, and convert these actual sensing points Points and the data of these interpolation points constitute a set of data to be processed; and

The set of data to be processed is processed by a moving polynomial fitting program to generate a set of fitting report points, and the set of fitting report points is sent to the central processing unit.

In one embodiment, the moving polynomial fitting procedure includes:

Taking the first 2m+1 data points in the group of data to be processed as a processing window frame to generate an initial n-degree polynomial regression curve, and generating the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points, m and n are both integers greater than 1, and 2m+1 > n;

In the group of data to be processed, move the processing window frame to the right by one data point successively to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the new n A degree polynomial regression curve produces said fitted report point for the m+1th data point in the new processing window; and

When the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and The fitting report points of the last m+1 data points among the last 2m+1 data points are generated according to the last n-degree polynomial regression curve.

In a possible embodiment, the display module can be a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module or an organic light emitting diode Display mods.

In a possible embodiment, the information processing device may be a smart phone, a portable computer, a vehicle computer, a wearable electronic device or an advertising billboard.

In order to enable your review committee members to further understand the structure, features and purpose of the present invention, drawings and detailed descriptions of preferred specific embodiments are hereby attached.

Principle of the present invention is:

(1) generating a Bezier curve (Bézier curve) according to a plurality of actual sensing points of the multi-frame sensing data, and generating a plurality of interpolation points among the plurality of actual sensing points according to the Bezier curve, and forming a set of data to be processed with the data of the actual sensing points and the interpolation points; and

(2) Using a moving polynomial fitting program to process the set of data to be processed to generate a set of fitting reporting points, so that a touch module can provide an operator with a good touch experience.

Please refer to FIG. 1 , which is a block diagram of an embodiment of a touch display device of the present invention. As shown in FIG. 1 , a touch display device 100 has a touch module 110, a display module 120 and a control circuit 130, wherein the touch module 110 can be a capacitive or optical touch module. ; The display module 110 can be a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module or an organic light emitting diode display module; and control The circuit 130 is used to drive the touch module 110 and the display module 120, and it has a functional module, which can be implemented by software or hardware, so as to sense multiple actual frames of the multi-frame sensing data of the touch module 110. A smoothing point reporting process is performed on the measuring points to generate a set of fitting reporting points. The smoothing point reporting process includes:

(1) The functional module of the control circuit 130 generates a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generates a Bezier curve in the plurality of actual sensing points according to the Bezier curve A plurality of interpolation points, and a set of data to be processed are composed of the actual sensing points and the data of the interpolation points; the generation method of the Bezier curve is a conventional technology, so it will not be repeated here.

(2) The functional modules of the control circuit 130 use a moving polynomial fitting program to process the set of data to be processed to generate a set of fitting reporting points.

The moving polynomial fitting program uses every 2m+1 data points to be processed as a processing window frame, and fits an n-degree polynomial function in each processing window frame to calculate at least The coordinates of a fitted reporting point, where 2m+1 > n. Taking m=2, n=3 as an example, the moving polynomial fitting procedure includes:

(1) Take the first 5 (=2*2+1) data points in the group of data to be processed as a processing window frame to generate an initial cubic polynomial regression curve, and generate the first cubic polynomial regression curve according to the initial cubic polynomial regression curve The fitting reporting points of the previous 3 data points in the 5 data points;

(2) Move the processing window frame to the right by one data point successively in the group of data to be processed to generate a new processing window frame, and generate a new cubic polynomial regression curve according to the new processing window frame, and according to the new processing window frame The cubic polynomial regression curve of produces the described fitted reporting point of the 3rd data point (central point) in this new processing window frame; And

(3) When the processing window frame is moved to the last 5 data points in the group of data to be processed to generate a final processing window frame, a final cubic polynomial regression curve is generated according to the last processing window frame, and The fitting report points of the last 3 data points in the last 5 data points are generated according to the last cubic polynomial regression curve.

Accordingly, the present invention can replace the coordinates of the original points with the coordinates of the processed points and report them to a host computer so that the operator can have a good touch experience.

In detail, in the above example (m=2, n=3), the fitting formula adopted by the moving polynomial fitting program is as follows:

Assuming that array a stores information of n points, and n is an integer greater than 1, the calculation method for the data of the smoothed point (the result is stored in array b) is as follows: b[0] = (69 * a[0] + 4 * (a[1] + a[3]) - 6 * a[2] - a[4]) / 70; b[1] = (2 * (a[0] + a[4]) + 27 * a[1] + 12 * a[2] - 8 * a[3]) / 35; for (int i = 2; i < n - 2; i++) { b[j] = (-3 * (a[i - 2] + a[i + 2]) + 12 * (a[i - 1] + a[i + 1]) + 17 * a[i]) / 35; } b[n - 2] = (2 * (a[n - 1] + a[n - 5]) + 27 * a[n - 2] + 12 * a[n - 3] - 8 * a[n - 4]) / 35; b[n - 1] = (69 * a[n - 1] + 4 * (a[n - 2] + a[n - 4]) - 6 * a[n - 3] - a[n - 5] ) / 70.

According to the above description, it can be seen that the present invention provides a method for smooth reporting of touch devices. Please refer to FIG. 2 , which shows a flow chart of an embodiment of a smooth report method for a touch device of the present invention, which is implemented by a control circuit. As shown in Figure 2, the method includes: generating a Bezier curve according to a plurality of actual sensing points of multi-frame sensing data, and generating a plurality of actual sensing points according to the Bezier curve Interpolation points, and the data of these actual sensing points and these interpolation points form a set of data to be processed (step a); and use a moving polynomial fitting program to process the set of data to be processed to generate a set of fitting reports point (step b).

In step b, the moving polynomial fitting procedure includes:

(1) Take the previous 2m+1 data points in the group of data to be processed as a processing window frame to generate an initial n-degree polynomial regression curve, and generate the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points in the data points, m and n are both integers greater than 1, and 2m+1>n;

(2) Move the processing window frame to the right by one data point successively in the group of data to be processed to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the The new n-degree polynomial regression curve produces the fitting reporting point of the m+1th data point (central point) in the new processing window; and

(3) When the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression is generated according to the last processing window frame curve, and generate the fitting report points of the last m+1 data points in the last n+1 data points according to the last n-degree polynomial regression curve.

According to the method of the present invention, a touch device can provide the operator with a good touch experience. Please refer to Figures 3a and 3b, wherein, Figure 3a shows the connection track of a group of data to be processed on a touch coordinate plane; and Figure 3b shows the group of data to be processed in Figure 3a after being processed by the method of the present invention , the line trajectory of the fitting points generated on the touch coordinate plane. It can be seen from Figures 3a and 3b that the method of the present invention can effectively provide a smoothed reporting track.

According to the above description, the present invention further provides an information processing device. Please refer to FIG. 4 , which shows a block diagram of an embodiment of an information processing device of the present invention. As shown in FIG. 4, an information processing device 200 has a central processing unit 210 and a touch display device 220, wherein the touch display device 220 is realized by the touch display device 100 shown in FIG. 1, and the central processing unit 210 is used for communicating with the touch display device 220 . In addition, the information processing device 200 can be a smart phone, a portable computer, a vehicle computer, a wearable electronic device or an advertising billboard.

With the design disclosed above, the present invention has the following advantages:

1. The smooth point reporting method of the touch device of the present invention can be generated by first interpolating multiple sensing coordinates of multi-frame sensing points, and then performing window frame movement smoothing processing on the overall data after interpolation. Smoothed report point trajectory.

2. The touch display device of the present invention can provide a smoothed report track to a host through the above-mentioned smooth report method.

3. The information processing device of the present invention can provide the operator with a smooth touch experience through the above-mentioned touch display device.

What is disclosed in this case is a preferred embodiment. For example, any partial changes or modifications derived from the technical ideas of this case and easily deduced by those who are familiar with the technology are within the scope of the patent right of this case.

To sum up, regardless of the purpose, means and efficacy of this case, it shows that it is very different from the conventional technology, and its first invention is practical, and it does meet the patent requirements of the invention. I implore your review committee to understand it clearly and grant a patent as soon as possible. Society is for the Most Prayer.

100: Touch display device 110:Touch module 120: Display module 130: control circuit 200: information processing device 210: central processing unit 220: touch display device Step a: generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points in the plurality of actual sensing points according to the Bezier curve, and convert these The data of actual sensing points and these interpolation points constitute a set of data to be processed Step b: Utilize a moving polynomial fitting procedure to process the data to be processed to generate a set of fitted reporting points

FIG. 1 is a block diagram of an embodiment of a touch display device of the present invention. FIG. 2 is a flow chart of an embodiment of a smooth report method of a touch device according to the present invention. FIG. 3 a shows a set of connection traces of data to be processed on a touch coordinate plane. FIG. 3b shows the line trajectory of the fitting points generated on the touch coordinate plane after the group of data to be processed in FIG. 3a is processed by the method of the present invention. FIG. 4 is a block diagram of an embodiment of an information processing device of the present invention.

Step a: generate a Bezier curve according to a plurality of actual sensing points of the multi-frame sensing data, and generate a plurality of interpolation points in the plurality of actual sensing points according to the Bezier curve, and convert these The data of actual sensing points and these interpolation points constitute a set of data to be processed

Step b: Utilize a moving polynomial fitting procedure to process the data to be processed to generate a set of fitted reporting points

Claims (7)

A method for smooth point reporting of a touch device, which is realized by a control circuit, the method includes: generating a Bezier curve based on multiple actual sensing points of multi-frame sensing data, and generating a Bezier curve according to the Bezier curve Generate a plurality of interpolation points among the plurality of actual sensing points, and form a set of data to be processed by combining the data of these actual sensing points and the interpolation points; and process the set of data to be processed by using a moving polynomial fitting program data to generate a group of fitting reporting points; wherein, the moving polynomial fitting procedure includes: taking the previous 2m+1 data points in the group of data to be processed as a processing window to generate an initial n-degree polynomial regression curve, and According to the initial n-degree polynomial regression curve, the fitting reporting points of the previous m+1 data points in the first 2m+1 data points are generated, m and n are both integers greater than 1, and 2m+1> n; in the group of data to be processed, move the processing window frame to the right one data point successively to generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and according to the new processing window frame The n-degree polynomial regression curve produces the fitting reporting point of the m+1th data point in the new processing window frame; When the data points are used to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and the last 2m+1 data are generated according to the last n-degree polynomial regression curve The fitting report points for the m+1 data points after the point. A control circuit with a functional module to execute a smooth point reporting method for a touch device, the method includes: generating a Bezier curve according to a plurality of actual sensing points of multi-frame sensing data, and according to the Bezier curve generating a plurality of interpolation points in the plurality of actual sensing points by the Err curve, and forming a set of data to be processed by combining the data of the actual sensing points and the interpolation points; and processing the data by a moving polynomial fitting program A group of data to be processed is used to generate a group of fitting reporting points; wherein, the moving polynomial fitting procedure includes: taking the previous 2m+1 data points in the group of data to be processed as a processing window to generate an initial n-degree polynomial regression curve, and generate the first 2m+1 data points according to the initial n-degree polynomial regression curve For the fitting reporting points of the previous m+1 data points, m and n are both integers greater than 1, and 2m+1>n; move the processing window frame to the right one data point successively in the group of data to be processed To generate a new processing window frame, and generate a new n-degree polynomial regression curve according to the new processing window frame, and generate the m+1th in the new processing window frame according to the new n-degree polynomial regression curve Said fitting report point of the data points; and when the processing window is moved to the last 2m+1 data points in the set of data to be processed to generate a final processing window, according to the last processing window A final n-degree polynomial regression curve is generated, and the fitting report points of the last m+1 data points among the last 2m+1 data points are generated according to the last n-degree polynomial regression curve. A touch display device has a touch module, a display module and a control circuit, wherein the control circuit is used to drive the touch module and the display module, and it has a functional module to Perform a smoothing report processing program on multiple actual sensing points of the multi-frame sensing data of the touch module to generate a set of fitting report points. The smoothing report processing program includes: according to the multi-frame sensing data A Bezier curve is generated from a plurality of actual sensing points, and a plurality of interpolation points are generated in the plurality of actual sensing points according to the Bezier curve, and the relationship between the actual sensing points and the interpolation points is The data constitutes a group of data to be processed; and a moving polynomial fitting program is used to process the group of data to be processed to generate a set of fitting reporting points; wherein, the moving polynomial fitting program includes: taking the first 2m of the group of data to be processed +1 data points are a processing window frame to generate an initial n-degree polynomial regression curve, and generate all the previous m+1 data points in the first 2m+1 data points according to the initial n-degree polynomial regression curve The above fitting reporting points, m and n are both integers greater than 1, and 2m+1>n; in the group of data to be processed, the processing window frame is moved to the right by one data point successively to generate a new processing window frame, And produce a new n-degree polynomial regression curve according to this new processing window frame, and generate the described fitting reporting point of the m+1th data point in this new processing window frame according to this new n-degree polynomial regression curve ; and when the processing window is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window, a final n-degree polynomial regression curve is generated according to the last processing window , and according to the last n-degree polynomial regression curve, generate the fitting report points of the last m+1 data points in the last 2m+1 data points. The touch display device as described in item 3 of the scope of the patent application, wherein the display module is composed of a micro-light-emitting diode display module, a mini-light-emitting diode display module, and a quantum dot light-emitting diode display A display module selected from the group formed by the module and an organic light emitting diode display module. An information processing device, which has a central processing unit and a touch display device, wherein the central processing unit is used to communicate with the touch display device, the touch display device has a touch module, a display module A set and a control circuit, wherein the control circuit is used to drive the touch module and the display module, and it has a function module for a plurality of actual frames of sensing data of the touch module The sensing points are subjected to a smooth reporting process to generate a set of fitted reporting points. The smooth reporting process includes: generating a Bezier curve based on a plurality of actual sensing points of the multi-frame sensing data, and according to the The Bezier curve generates a plurality of interpolation points among the plurality of actual sensing points, and forms a set of data to be processed by combining the data of the actual sensing points and the interpolation points; and using a moving polynomial fitting program Processing the group of data to be processed to generate a group of fitting reporting points, and sending the group of fitting reporting points to the central processing unit; wherein, the moving polynomial fitting procedure includes: taking the first 2m+ of the group of data to be processed 1 data point is a processing window frame to generate an initial n-degree polynomial regression curve, and generate the first m+1 data points in the first 2m+1 data points according to the initial n-degree polynomial regression curve. Fitting report points, m and n are both integers greater than 1, and 2m+1>n; in the set of data to be processed, move the processing window frame to the right one data point successively to generate a new processing window frame, and Generate a new n-degree polynomial regression curve according to the new processing window, and generate the fitting reporting point of the m+1th data point in the new processing window according to the new n-degree polynomial regression curve; And when the processing window frame is moved to the last 2m+1 data points in the group of data to be processed to generate a final processing window frame, a final n-degree polynomial regression curve is generated according to the last processing window frame, and generate the fitting report points of the last m+1 data points in the last n-degree polynomial regression curve. The information processing device as described in item 5 of the scope of the patent application, wherein the display module is composed of a micro light emitting diode display module, a mini light emitting diode display module, a quantum dot light emitting diode display module A display module selected from the group formed by the group and an organic light emitting diode display module. The information processing device described in item 5 of the scope of the patent application is one selected from the group consisting of a smart phone, a portable computer, a vehicle-mounted computer, a wearable electronic device and an advertising billboard device.

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